Re: [PATCH RFC v3 06/13] bpf: Take a Tasks Trace reader in the trampoline glue

+static __always_inline void bpf_tramp_read_lock_trace(void)
+{
+	if (IS_ENABLED(CONFIG_TASKS_RCU_TRAMPOLINE_READERS))
+		rcu_read_lock_trace();
+}
+
+static __always_inline void bpf_tramp_read_unlock_trace(void)
+{
+	if (IS_ENABLED(CONFIG_TASKS_RCU_TRAMPOLINE_READERS))
+		rcu_read_unlock_trace();
+}
+
+static u64 notrace __rcu_trampoline
+__bpf_prog_enter_recur(struct bpf_prog *prog, struct bpf_tramp_run_ctx *run_ctx)
 	__acquires(RCU)
 {
+	bpf_tramp_read_lock_trace();
 	rcu_read_lock_dont_migrate();